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Cosmology with neutral hydrogen (HI) intensity mapping

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If you have a question about this talk, please contact Tobias Baldauf.

Radio cosmology is a new area of research with a great deal of potential. Intensity mapping is an innovative technique, which uses HI to map the large-scale structure of the Universe in three dimensions. In this talk I will first give an introduction to radio cosmology, with special emphasis on the intensity mapping technique. I will then present recent work on prospects for HI and cosmological measurements using large sky intensity mapping surveys with the Square Kilometre Array (SKA) and its pathfinders (MeerKAT), alone and in combination with optical galaxy surveys like Euclid and LSST . I will also discuss the possibility to test General Relativity and inflation using HI intensity mapping, optical galaxy, and CMB surveys.

This talk is part of the Cosmology Lunch series.

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